Stored Procedure is not executed

[eluser]Rahul gamit[/eluser]

Code:

$sql= "call tblaccountmaster_add(".
                                        $this->company_name.",".
                                        $this->first_name.",".
                                        $this->last_name.",".
                                        $this->billing_address.",".
                                        $this->city.",".
                                        $this->state.",".
                                        $this->state.",".
                                        $this->country_id.",".
                                        $this->postal_code.",".
                                        $this->mobile_no.",".
                                        $this->primary_phone_no.",".
                                        $this->secondary_phone_no.",".
                                        $this->fax_no.")";
            
            if($this->db->query($sql,$data)==TRUE)
            {
                return TRUE;
            }
            else
            {
                return FALSE;
            }

i have try this code also but its not working, it wont add any record in the datatable.
help me.
thanks in advance